Principal Network Architect — Data Center & Fiber

About the role

The Principal Network Architect designs high-performance data center networking and fiber connectivity solutions — from 400G/800G spine-leaf fabrics to carrier connectivity, DCI, and cloud on-ramps — for CloudData.Center's enterprise and hyperscale clients.

What you will do

• chevron_rightLead network architecture design for AI data center and cloud interconnection engagements
• chevron_rightDesign spine-leaf switching fabrics using 400G/800G Ethernet (Cisco Nexus, Arista, Juniper QFX)
• chevron_rightArchitect DCI (Data Center Interconnect) solutions using DWDM/OTN and carrier fiber
• chevron_rightDesign carrier connectivity: BGP routing, MPLS, cloud on-ramps (AWS Direct Connect, Azure ExpressRoute, Google Interconnect)
• chevron_rightEvaluate and recommend structured cabling and fiber infrastructure for high-density AI environments
• chevron_rightDevelop network security architecture: microsegmentation, firewall zoning, and access control
• chevron_rightAuthor low-level design documents and network specifications for client projects
• chevron_rightSupport network commissioning, testing, and handover to operations teams

What we need

• chevron_right10+ years in data center networking or carrier network architecture
• chevron_rightDeep expertise in spine-leaf architecture and 400G/800G data center fabrics
• chevron_rightStrong BGP, MPLS, and carrier routing protocol expertise
• chevron_rightExperience with DCI technologies: DWDM, OTN, and carrier dark fiber
• chevron_rightCisco CCIE (Data Center or Service Provider) or Juniper JNCIE preferred

Nice to have

• check_circleExperience with InfiniBand networking for AI GPU clusters
• check_circleFamiliarity with cloud on-ramp connectivity and SD-WAN integration